/ Dictionary / Index H hexasyllable: Meaning and Definition of Find definitions for: hex•a•syl•la•ble Pronunciation: (hek'su-sil"u-bul), [key] — n. a word or line of verse of six syllables. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. hexastichon Hexateuch Related Content Daily Word Quiz: agitated Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language